Gaiser, Adam (2013). "Slaves and Silver Across the Strait of Gibraltar: Politics and Trade between Umayyad Iberia and Kharījite North Africa". In Liang, Yuen-Gen; Balbale, Abigail Krasner; Devereux, Andrew; Gómez-Rivaz, Camillo (eds.). Spanning the Strait: Studies in Unity in the Western Mediterranean. Leiden and Boston: Brill. pp. 53–54. ISBN978-90-04-25663-7.
worldcat.org
Prevost, Virginie (2011). "Ἁbd al-Raḥmān ibn Rustum al-Fārisī. Une tentative de biographie du premier imam de Tāhart". Der Islam: Journal of the History and Culture of the Middle East. 86 (1): 45. ISSN0021-1818.